Solution-Find the test statistic, A large supermarket

Find the test statistic

Reference no: EM131557609

Question: A large supermarket carries four qualities of ground beef. Customers are believed to purchase these four varieties with probabilities of 0.1, 0.18, 0.1, and 0.62, respectively, from the least to most expensive variety. A sample of 495 purchases resulted in sales of 50, 143, 79, and 223 of the respective qualities. Does this sample contradict the expected proportions? Use a = .05.

(i) Find the test statistic. (Give your answer correct to two decimal places.)

(ii) Find the p-value. (Give your answer bounds exactly.) _______< p < _______

Reference no: EM131557609

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Find the test statistic : A large supermarket carries four qualities of ground beef. Customers are believed to purchase these four varieties with probabilities of 0.1, 0.18, 0.1.

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Find the test statistic

Reference no: EM131557609

Reference no: EM131557609

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